Home / 211,030.92-291,250.40-120,366.10

Finding the Fourth Proportional to 211,030.92, 291,250.40 and 120,366.10

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Solution

The fourth proportional to 211,030.92, 291,250.40 and 120,366.10 is: 166,121.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,030.92 : 291,250.40 = 120,366.10 : x
  2. Step 2: Convert to fraction form
    211,030.92/291,250.40 = 120,366.10/x
  3. Step 3: Cross multiply
    211,030.92x = 291,250.40 × 120,366.10
  4. Step 4: Simplify right side
    211,030.92x = 35,056,674,771.44
  5. Step 5: Solve for x
    x = 35,056,674,771.44/211,030.92
  6. Step 6: Final answer
    x = 166,121.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.